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Old 2009-07-29, 22:38   #1717
Kosmaj
 
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From the 9th Drive:

18525*2^520464-1 (156680 digits)
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Old 2009-07-30, 04:42   #1718
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6207*2^512584-1 (154307 digits)
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Old 2009-07-30, 16:24   #1719
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6283*2^513123-1 (154470 digits)

9th Drive:
23295*2^519113-1 (156273 digits)
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Old 2009-07-31, 09:26   #1720
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From the 9th drive:

20145*2^521191-1 (156899 digits)
23805*2^521958-1 (157130 digits)
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Old 2009-08-01, 21:30   #1721
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1029*2^698968-1 (210414 digits)
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Old 2009-08-02, 14:54   #1722
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A k=21 prime very close to Peter's one at 1170k:

21*2^1182083-1 (355844 digits)


k=21 is now completely tested up to n=1182400 and further tests are in progress.
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Old 2009-08-02, 20:44   #1723
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1101*2^701727-1 (211244 digits)
1287*2^703172-1 (211679 digits)

Last fiddled with by pb386 on 2009-08-02 at 20:52 Reason: just found another one!
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Old 2009-08-03, 08:27   #1724
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1123*2^703855-1 (211885 digits)
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Old 2009-08-03, 14:51   #1725
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Talking my first prime!!!

211*2^842347-1 is prime! (253575)


----

Further discussion moved here.

Last fiddled with by Kosmaj on 2009-08-04 at 01:18
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Old 2009-08-04, 22:11   #1726
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6019*2^477157-1 (143643 digits)
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Old 2009-08-05, 05:51   #1727
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6083*2^477340-1 (143698 digits)
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